It means you're not reading the right blogs by American women: for example Grace Davis and Liz Henry. Grace set up the Hurricane Katrina Disaster Relief blog and Liz went to Houston with a team of yahoo techies immediately after the hurricane and live-blogged about setting up the networks at the shelter while homeland security was flailing helplessly and the police were notoriously unhelpful. They are two very results-oriented activist-bloggers. Another one is Ronnie Bennett, whose cause is anti-ageism, on Time Goes By. [Sorry I don't have links, but you can google them]